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A266011 as a simple table

na(n)
11
24
327
475
5486
62208
710708
853384
9255936
101264666
116155158
1230091959
13147181798
14718659407
153513986897
1617168832194
1783908881411
18410071803548
192003955083279
209793599928641
2147860794887575
22233897163096237

[1,4,27,75,486,2208,10708,53384,255936,1264666,
 6155158,30091959,147181798,718659407,3513986897,
 17168832194,83908881411,410071803548,
 2003955083279,9793599928641,47860794887575,
 233897163096237]